Year Dollars 1992-01-01 29346250 1997-01-01 58765769 2002-01-01 52181441 2003-01-01 57650981 2004-01-01 70415678 2005-01-01 116199728 2006-01-01 91315160 2007-01-01 107049139 2008-01-01 69109546 2009-01-01 61020047 2010-01-01 89727588 2011-01-01 122732121 2012-01-01 181872864 2013-01-01 883941551 2015-01-01 131198900 2016-01-01 139478222